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5040790638 = 231380392
BaseRepresentation
bin1001011000111010…
…00101110001101110
3111000022010200210120
410230131011301232
540310420300023
62152105345410
7235626004422
oct45435056156
914008120716
105040790638
112157438684
12b88198266
13624441270
1435b67cb82
151e78128e3
hex12c745c6e

5040790638 has 24 divisors (see below), whose sum is σ = 10858438248. Its totient is φ = 1550819568.

The previous prime is 5040790603. The next prime is 5040790639. The reversal of 5040790638 is 8360970405.

It is a happy number.

It is a super-2 number, since 2×50407906382 = 50819140512296894088, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5040790638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5040790639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 623023 + ... + 631061.

It is an arithmetic number, because the mean of its divisors is an integer number (452434927).

Almost surely, 25040790638 is an apocalyptic number.

5040790638 is an abundant number, since it is smaller than the sum of its proper divisors (5817647610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5040790638 is an frugal number, since it uses more digits than its factorization.

5040790638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16096 (or 8057 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 5040790638 is about 70998.5256044096. The cubic root of 5040790638 is about 1714.6134257201.

The spelling of 5040790638 in words is "five billion, forty million, seven hundred ninety thousand, six hundred thirty-eight".

Divisors: 1 2 3 6 13 26 39 78 8039 16078 24117 48234 104507 209014 313521 627042 64625521 129251042 193876563 387753126 840131773 1680263546 2520395319 5040790638